| Riverdale to Johnstown (Pennsylvania) | 556.70 mi (895.92 km) |
| Riverdale to Joliet (Illinois) | 586.41 mi (943.73 km) |
| Riverdale to Jonesboro (Arkansas) | 388.68 mi (625.52 km) |
| Riverdale to Joplin (Missouri) | 618.07 mi (994.68 km) |
| Riverdale to Joppatowne (Maryland) | 602.84 mi (970.17 km) |
| Riverdale to Juana Díaz (Puerto Rico) | 1,540.82 mi (2,479.71 km) |
| Riverdale to Junction City (Kansas) | 787.93 mi (1,268.06 km) |
| Riverdale to Juneau (Alaska) | 2,844.55 mi (4,577.86 km) |
| Riverdale to Jupiter (Florida) | 525.71 mi (846.05 km) |
| Riverdale to Jupiter Farms (Florida) | 522.52 mi (840.92 km) |
| Riverdale to Jurupa Valley (California) | 1,890.47 mi (3,042.42 km) |
| Riverdale to Justice (Illinois) | 595.64 mi (958.58 km) |
| Riverdale to Kahului (Hawaii) | 4,428.35 mi (7,126.73 km) |
| Riverdale to Kailua (Hawaii) | 4,484.03 mi (7,216.34 km) |
| Riverdale to Kalamazoo (Michigan) | 605.27 mi (974.08 km) |
